plugins/kotlin-dataframe/testData/box/columnName_invalidSymbol1.kt

import org.jetbrains.kotlinx.dataframe.*
import org.jetbrains.kotlinx.dataframe.annotations.*
import org.jetbrains.kotlinx.dataframe.api.*
import org.jetbrains.kotlinx.dataframe.io.*

fun box(): String {
    val df = dataFrameOf("n\na" to columnOf("123"))
    df.`n a`.print()
    return "OK"
}